package com.mall.sun.utils;


import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.security.MessageDigest;
/**
 * @Description MD5工具类
 * @author Tansty
 * @date 2021/8/3 16:30
 * @return null
 */
@Component
public class MD5Util {

	private static String SALT ;
	@Value("${md5.salt}")
	public void setSALT(String SALT){
		MD5Util.SALT=SALT;
	}
	public static String encode(String password) {
		System.out.println(SALT);
		password = password + SALT;
		MessageDigest md5 = null;
		try {
			md5 = MessageDigest.getInstance("MD5");
		} catch (Exception e) {
			throw new RuntimeException(e);
		}
		char[] charArray = password.toCharArray();
		byte[] byteArray = new byte[charArray.length];

		for (int i = 0; i < charArray.length; i++) {
            byteArray[i] = (byte) charArray[i];
        }
		byte[] md5Bytes = md5.digest(byteArray);
		StringBuffer hexValue = new StringBuffer();
		for (int i = 0; i < md5Bytes.length; i++) {
			int val = ((int) md5Bytes[i]) & 0xff;
			if (val < 16) {
				hexValue.append("0");
			}

			hexValue.append(Integer.toHexString(val));
		}
		return hexValue.toString();
	}




}
